Are you in the flow when it comes to bodies of water, or do you feel your knowledge isn’t current and needs refreshing?
Which is the deepest lake in the UK?
What is the world’s largest ‘lake’ by area?
What is the world’s longest river wholly in one country?
What is the second longest river in the UK?
What type of fish used to live in the River Trent until 1902, since when it has become locally extinct?
Which of the following French towns is not on the River Seine?
One of these lakes in the UK is artificial. Which is it?
Which of the following is considered the longest continuous bridge over water in the world?
Pont de Normandie
Lake Pontchartrain Causeway
Severn Mile Bridge
Vasco da Gama bridge, the longest road bridge in an EU country, crosses which river?
Manitoulin Island is the largest freshwater lake island in the world. But what lake is it in?
Which of the following cities is not on the Amazon?
Salto del Guairá
What do Italy’s Lake Avernus, Yellowstone Lake in the US, Ecuador’s Quilotoa and Lagoa das Sete Cidades in the Azores have in common?
They are all salt lakes
They all occupy volcanic craters
Vast flocks of flamingoes visit them
It is illegal to fish in them
Which UK river rises in Plynlimon, Wales?
Which US river is known as the Daughter of the Stars for its vivid reflections?
Which of these popular German lakes is not in Berlin?
12 and above.
A rip-roaring success. Take a bow, er, dip!
7 and above.
Not too shabby! Have a ripple of applause.
0 and above.
Eau dear. You’ll make a bigger splash in next week’s Guardian Travel quiz I’m sure…
The options for question 13 were amended on 22 May because two of the rivers previously given started in close proximity